Product Description Medium grit emery cloth is perfect for smoothing out various metal surfaces. Its natural emery abrasive makes the sheet ideal for sanding, scouring, polishing and removing cutting tool marks on various types of metal, making it a versatile tool. Natural emery abrasive is firmly bound to the backing for quality scouring and polishing on a variety of metals, woods, and composites. This closed-coat cloth delivers medium material removal with an extended life that makes it a good value in your workshop. From the Manufacturer Gator Grit 25 Count 9" x 11'' 80 Grit Medium Emery Cloth. The 80 grit medium emery cloth is designed to sand and finish steel, copper piping, brass, iron, aluminum and stainless steel. The crocus cloth can be used on either a hand or machine sander. If using an orbital sander, the crocus cloth can be cut into a 1/2 sheet, 1/3 sheet, or 1/4 sheet to fit the sander.